Hi,
I need to add corrosion inhibitor to my central heating system (Worcester Bosch Combi). I have read several threads online about doing this via the radiator bleed nipple but am not sure this will be easy with my system. The radiators are probably about 20 years old and don't have the bleed valve on the end, they just have the small pin at the back facing the wall. I can imagine that it might be difficult to add corrosion inhibitor through this ?
I'm no plumber but have done some basic plumbing before so my intention is to drain down the system, fill up again, and drain down again to help flush out the system, including adding flushing agent if necessary.
As I understand it, my options for adding the inhibitor are....
1. Filling loop
2. Bleed nipple
Or would it be possible to inject through the drain valve instead of the bleed valve ?
Thanks
I need to add corrosion inhibitor to my central heating system (Worcester Bosch Combi). I have read several threads online about doing this via the radiator bleed nipple but am not sure this will be easy with my system. The radiators are probably about 20 years old and don't have the bleed valve on the end, they just have the small pin at the back facing the wall. I can imagine that it might be difficult to add corrosion inhibitor through this ?
I'm no plumber but have done some basic plumbing before so my intention is to drain down the system, fill up again, and drain down again to help flush out the system, including adding flushing agent if necessary.
As I understand it, my options for adding the inhibitor are....
1. Filling loop
2. Bleed nipple
Or would it be possible to inject through the drain valve instead of the bleed valve ?
Thanks